" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
Lalas = 5 x 5 = 25 cm
Lsisi tegak = 5 x 12 / 2 = 30
25 + 30 = 55 cm
ehh itu alasnya persegi kah?
= 5*5 + (4*1/2*5*12)
= 25 + 120
= 145